/* 萌二兔的森林药方 · 单页故事课件 */
:root{
  --pine:#21453a; --soft:#56705f; --paper:#fffcf2; --bg:#eef0df; --line:rgba(33,69,58,.18);
  --gold:#d9a521; --gold-soft:#fbefc4; --brown:#8a5a2c; --brown-soft:#f1dcc0;
  --ok:#3f7f4a; --ok-soft:#e0efd6; --bad:#b9472f; --bad-soft:#f7ddd3; --shadow:5px 5px 0 var(--pine);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;color:var(--pine);
  background:radial-gradient(ellipse at 10% 0,#f7f2d8,transparent 50%),var(--bg);font-size:18px;line-height:1.6}
button,input{font-family:inherit}
[hidden]{display:none!important}
.shell{max-width:1320px;margin:0 auto;padding:14px 20px 40px}

/* 顶栏 */
.top{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:12px}
.back{color:var(--soft);font-weight:800;text-decoration:none;font-size:14px}
h1{margin:0;font-size:32px;font-family:"Songti SC","STSong",serif;font-weight:900;letter-spacing:1px}
h1 mark{background:linear-gradient(transparent 62%,#f0d37a 62%);color:inherit}
.recipe{display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:var(--paper);border:2px dashed #b99a4a;border-radius:12px;padding:6px 14px;font-weight:800}
.recipe .ing{display:inline-flex;align-items:center;gap:4px}
.recipe b{font-size:1.35em;color:var(--bad)}
.recipe .plus{color:var(--soft)}
.ico{width:26px;height:26px;vertical-align:middle;flex:none}
.tools{display:flex;gap:10px;align-items:center;font-size:14px;font-weight:700;color:var(--soft);margin-left:auto}
.ghost{border:2px solid var(--line);background:transparent;border-radius:999px;padding:3px 12px;font-weight:800;cursor:pointer;color:var(--pine)}

/* 森林舞台 */
.scene{position:relative;height:290px;border:2px solid var(--pine);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:16px;background:#bcd3b8}
#forest{position:absolute;inset:0;width:100%;height:100%}
.fog{position:absolute;inset:0;pointer-events:none;transition:opacity 1.6s;
  background:linear-gradient(100deg,rgba(150,156,160,.75),rgba(185,190,190,.55) 45%,rgba(140,146,152,.7)),linear-gradient(0deg,rgba(170,175,172,.6),transparent 80%)}
.rabbit{position:absolute;left:1.5%;bottom:4px;width:130px;text-align:center}
.rabbit svg{width:100%;display:block;filter:drop-shadow(0 6px 4px rgba(30,50,30,.2))}
.rabbit span{display:inline-block;margin-top:-6px;font-size:13px;font-weight:800;background:#fff8dccc;border-radius:999px;padding:1px 10px}
.speech{position:absolute;left:150px;top:14px;max-width:480px;background:#fffbe9;border:2px solid var(--pine);border-radius:16px;padding:10px 16px;font-size:18px;font-weight:700;line-height:1.5;box-shadow:3px 3px 0 var(--pine)}
.speech::after{content:"";position:absolute;left:-12px;bottom:18px;width:18px;height:18px;background:#fffbe9;border-left:2px solid var(--pine);border-bottom:2px solid var(--pine);transform:rotate(45deg)}
.speech.pop{animation:pop .35s ease}
.healed{position:absolute;right:14px;top:14px;background:#fffbe9;border:2px solid var(--pine);border-radius:999px;padding:4px 14px;font-weight:900;font-size:16px}

/* 任务条 */
.tasks{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-bottom:14px}
@media(max-width:1000px){.tasks{grid-template-columns:repeat(3,1fr)}}
.tasks button{display:flex;align-items:center;gap:10px;text-align:left;border:2px solid var(--pine);background:var(--paper);border-radius:12px;padding:8px 12px;cursor:pointer;color:var(--pine);box-shadow:3px 3px 0 var(--pine)}
.tasks button b{font-size:24px;font-weight:900}
.tasks button span{display:flex;flex-direction:column;font-weight:800;line-height:1.25}
.tasks button small{font-weight:600;color:var(--soft);font-size:13px}
.tasks button.now{background:var(--pine);color:#fff}
.tasks button.now small{color:#cfe0d4}
.tasks button.done{background:var(--ok-soft)}
.tasks button:disabled{opacity:.45;cursor:default;box-shadow:none}

/* 工作台：一个页面完成全部操作 */
.bench{display:grid;grid-template-columns:260px minmax(0,1fr) 290px;background:var(--paper);border:2px solid var(--pine);border-radius:16px;box-shadow:var(--shadow);overflow:hidden;margin-bottom:20px}
@media(max-width:1150px){.bench{grid-template-columns:250px minmax(0,1fr)}.board{grid-column:1/-1;border-left:none!important;border-top:2px dashed var(--line)}}
@media(max-width:760px){.bench{grid-template-columns:1fr}}
.controls{padding:14px;background:#f7f2df;border-right:2px dashed var(--line);display:flex;flex-direction:column;gap:10px}
.taskcard{background:#fff;border:2px solid var(--pine);border-radius:12px;padding:10px 12px}
.taskcard small{color:#9b7a1d;font-weight:800;letter-spacing:1px}
.taskcard h3{margin:2px 0 4px;font-size:20px}
.taskcard p{margin:0;font-size:15px;color:var(--soft)}
.taskcard .need{display:inline-block;margin-top:6px;background:var(--gold-soft);border-radius:999px;padding:1px 10px;font-weight:900;color:var(--pine)}
.stepper{background:#fff;border:2px solid var(--pine);border-radius:12px;padding:6px 8px}
.stepper .lab{display:flex;align-items:center;gap:6px;font-weight:800}
.srow{display:flex;align-items:center;gap:4px;margin-top:2px}
.srow button{border:2px solid var(--pine);background:#f7f2df;border-radius:8px;padding:2px 0;font-weight:900;cursor:pointer;font-size:14px;flex:1;min-width:0}
.srow output{min-width:54px;text-align:center;font-size:28px;font-weight:900;font-variant-numeric:tabular-nums}
.stepper.locked .srow button{opacity:.3;pointer-events:none}
.row{display:flex;gap:8px}.row>*{flex:1}
.btn{display:inline-flex;align-items:center;justify-content:center;border:2px solid var(--pine);background:#fff;color:var(--pine);border-radius:12px;padding:10px 12px;font-size:17px;font-weight:800;cursor:pointer;box-shadow:3px 3px 0 var(--pine);transition:transform .08s,box-shadow .08s}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--pine)}
.btn.primary{background:var(--pine);color:#fff8df;font-size:18px}
.btn.small{padding:6px 8px;font-size:14px;box-shadow:2px 2px 0 var(--pine)}
.btn[disabled]{opacity:.4;pointer-events:none}

.center{padding:12px 16px;min-width:0}
.potwrap{position:relative;max-width:560px;margin:0 auto}
.pot{width:100%;height:auto;display:block}
.viewtoggle{position:absolute;right:0;bottom:2px;font-size:14px;font-weight:800;background:#fffbe9;border:2px solid var(--line);border-radius:999px;padding:2px 10px;cursor:pointer}
.pot.boiling .bubble{animation:bubble .5s ease-in-out infinite alternate}
.pot.boiling .flame{animation:flame .25s ease-in-out infinite alternate;transform-origin:50% 100%;transform-box:fill-box}
.bowls{width:100%;max-height:240px;height:auto;display:block;margin-top:6px}
.say{margin:8px 0 0;padding:10px 14px;border-radius:12px;background:#e4efe9;font-weight:700;min-height:46px}
.say.ok{background:var(--ok-soft);color:#235a2e}.say.bad{background:var(--bad-soft);color:#7c2a1a}

.board{padding:14px;border-left:2px dashed var(--line);background:#fbfaf2;display:flex;flex-direction:column;gap:6px}
.board h3{margin:0;font-size:18px}
.bigratio{display:flex;justify-content:center;align-items:baseline;gap:10px;font-size:46px;font-weight:900;font-variant-numeric:tabular-nums;line-height:1.1}
.bigratio span:first-child{color:#a07a10}.bigratio span:last-child{color:var(--brown)}
.bigratio i{font-style:normal;color:var(--soft)}
.board .sub{margin:0;text-align:center;font-weight:800;color:var(--soft)}
.cmp{border-radius:10px;padding:6px 10px;font-weight:800;font-size:15px;background:#eef2ea}
.cmp.ok{background:var(--ok-soft);color:#235a2e}.cmp.bad{background:var(--bad-soft);color:#7c2a1a}
#graph{width:100%;display:block;background:#fff;border:1.5px solid var(--line);border-radius:10px}
.board small{color:var(--soft);font-size:13px}

/* 笔记本 */
.notebook{background:var(--paper);border:2px solid var(--pine);border-radius:16px;padding:16px 22px;box-shadow:var(--shadow);margin-bottom:18px}
.notebook h2{margin:0 0 6px;font-family:"Songti SC","STSong",serif}
.notebook .empty{color:var(--soft)}
.note{border-top:2px dashed var(--line);padding:12px 0 4px;animation:pop .4s ease}
.note h3{margin:0 0 4px;color:#2d6236}
.note p{margin:6px 0}
.bigtxt{font-size:22px;font-weight:900}
.quiz{margin:10px 0 4px;padding:12px 14px;border-radius:12px;background:#fff8de}
.q{font-size:19px;font-weight:800;margin:0 0 8px}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin:4px 0}
.chips button{border:2px solid var(--pine);background:#fff;border-radius:999px;padding:5px 16px;font-weight:800;font-size:16px;cursor:pointer}
.chips button.right{background:var(--ok);border-color:var(--ok);color:#fff}
.chips button.wrong{background:var(--bad-soft);border-color:var(--bad);color:var(--bad)}
.appr{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:800px){.appr{grid-template-columns:1fr}}
.appr>div{background:#fff;border:1.5px solid var(--line);border-radius:10px;padding:8px 12px}

footer{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;color:var(--soft);font-size:14px;padding-top:10px;border-top:2px dashed var(--line)}
@keyframes pop{from{transform:scale(.96);opacity:0}to{transform:none;opacity:1}}
@keyframes bubble{to{transform:translateY(-6px);opacity:.4}}
@keyframes flame{to{transform:scaleY(1.25)}}
@keyframes bob{50%{transform:translateY(-4px)}}
.cheer{animation:bob .6s ease 2}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- 拖拽 ---------- */
.tip{margin:0;font-size:15px;font-weight:700;color:var(--soft)}
.tip.small{font-size:13px}
.tools-pot,.tools-simp,.tools-ratio{display:flex;flex-direction:column;gap:10px}
.jars{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.jar{display:flex;flex-direction:column;align-items:center;gap:0;padding:8px 4px;border:2px solid var(--pine);border-radius:12px;cursor:grab;user-select:none;touch-action:none;box-shadow:3px 3px 0 var(--pine);text-align:center;line-height:1.2}
.jar:active{cursor:grabbing}
.jar.hf{background:var(--gold-soft)}.jar.gc{background:var(--brown-soft)}.jar.pack{background:#e7f0dc;grid-column:span 2;flex-direction:row;justify-content:center;gap:10px}
.jar.bowl{background:#e9f3f6}
.jar .ico{width:34px;height:34px}
.jar b{font-size:16px}.jar small{font-size:12px;color:var(--soft);font-weight:700}
.bundle{display:inline-flex;align-items:center;font-weight:900;font-size:15px}
.bowlico{display:inline-block;width:40px;height:22px;border:2.5px solid var(--pine);border-top-width:4px;border-radius:0 0 22px 22px;background:#fff;margin:6px 0}
.dragging-src{opacity:.45}
.ghost-drag{position:fixed;z-index:999;pointer-events:none;transform:translate(-50%,-50%) rotate(-6deg) scale(1.05);box-shadow:0 10px 24px rgba(20,40,30,.3);opacity:.95}
[data-drop].over{outline:4px dashed #e0b43a;outline-offset:4px;border-radius:18px;background:rgba(255,240,180,.25)}
.potwrap.over{background:rgba(255,240,180,.35)}
.bowlrack{border-radius:14px;min-height:60px}
.panel .ph{margin:2px 0 8px;font-size:20px}
.ruler{width:100%;height:auto;display:block;background:#fff;border:1.5px solid var(--line);border-radius:12px;touch-action:none}
.ruler .handle{cursor:ew-resize}
.cards{display:flex;flex-wrap:wrap;gap:10px;min-height:56px;padding:8px;border:2px dashed var(--line);border-radius:12px;margin-bottom:10px}
.rcard{background:#fff;border:2px solid var(--pine);border-radius:10px;padding:6px 12px;font-weight:900;font-size:20px;cursor:grab;user-select:none;touch-action:none;box-shadow:3px 3px 0 var(--pine);font-variant-numeric:tabular-nums}
.rcard small{display:block;font-size:12px;font-weight:700;color:var(--soft)}
.rcard.placed{cursor:default;box-shadow:none;font-size:17px}
.rcard.shake{animation:shake .35s}
.baskets{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.basket{border:2.5px solid var(--pine);border-radius:16px;padding:8px 12px;min-height:120px}
.basket.ok{background:var(--ok-soft)}.basket.no{background:var(--bad-soft)}
.basket h4{margin:0 0 6px;font-size:17px}
.basket .in{display:flex;flex-wrap:wrap;gap:8px}
.opchips{display:flex;flex-wrap:wrap;gap:8px}
.op{border:2px solid var(--pine);background:#fff;border-radius:999px;padding:6px 14px;font-weight:900;font-size:20px;cursor:grab;user-select:none;touch-action:none;box-shadow:2px 2px 0 var(--pine)}
.op.div{background:#e4efe9}.op.mul{background:var(--gold-soft)}
.books{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media(max-width:1000px){.books{grid-template-columns:1fr}}
.book{border:2.5px solid var(--pine);border-radius:14px;background:#fffaf0;padding:10px 12px;min-height:220px;display:flex;flex-direction:column}
.book h4{margin:0;font-size:16px;color:#9b7a1d}
.book .cur{font-size:30px;font-weight:900;margin:6px 0;font-variant-numeric:tabular-nums}
.book .cur .u{font-size:16px;color:var(--soft)}
.book ol{margin:0;padding-left:20px;font-size:15px;font-weight:700;color:var(--soft);flex:1}
.book .val{font-size:14px;font-weight:800;color:#2d5e33;background:var(--ok-soft);border-radius:8px;padding:2px 8px;margin-top:6px}
.book.done{border-color:var(--ok);box-shadow:0 0 0 3px var(--ok-soft)}
.book.done .cur{color:var(--ok)}
.valbox{display:flex;flex-direction:column;align-items:center;background:#fff;border:2px solid var(--pine);border-radius:10px;padding:4px 10px}
.valbox small{font-weight:800;color:var(--soft)}
.valbox b{font-size:21px;white-space:nowrap}
.warnline{color:var(--bad);font-weight:800}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

/* ---------- 主显示区药方牌 + 实时比例反馈 ---------- */
.rxbar{border:3px solid var(--pine);border-radius:16px;overflow:hidden;margin-bottom:10px;box-shadow:3px 3px 0 var(--pine)}
.rx{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;padding:10px 14px;background:#fff6d6;font-size:26px;font-weight:900}
.rx .tag{font-size:15px;background:var(--pine);color:#fff8df;border-radius:999px;padding:3px 12px}
.rx .ing{display:inline-flex;align-items:center;gap:6px}
.rx .ing b{font-size:38px;color:var(--bad);line-height:1}
.rx .ico{width:38px;height:38px}
.rx .pei{color:var(--soft);font-size:22px}
.rx .eq{font-size:19px;color:var(--soft);border-left:2px dashed var(--line);padding-left:12px}
.live{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:12px;align-items:center;padding:10px 14px;border-top:2px dashed var(--line);background:#f4f6f1;transition:background .25s}
@media(max-width:900px){.live{grid-template-columns:1fr}}
.live.ok{background:var(--ok-soft)}.live.bad{background:var(--bad-soft)}.live.wait{background:#f4f6f1}
.live .verdict{font-size:22px;font-weight:900;line-height:1.35}
.live.ok .verdict{color:#235a2e}.live.bad .verdict{color:#8b2b1c}
.live .why{font-size:16px;font-weight:700;color:var(--pine);margin-top:2px}
.live .why b{color:var(--bad)}
.live svg{width:100%;display:block}
.live.flash{animation:flash .5s}
@keyframes flash{30%{transform:translateX(-5px)}60%{transform:translateX(5px)}}

.mobile-actions{display:none}
/* ---------- 拖拽时：目标高亮 ---------- */
.drag-target{outline:4px dashed #e0b43a;outline-offset:4px;border-radius:18px;animation:pulse 1s ease-in-out infinite}
@keyframes pulse{50%{outline-color:#f6dc84;box-shadow:0 0 0 10px rgba(224,180,58,.18)}}

/* ---------- 手机：药材、运算牌固定在屏幕底部，锅一直在上面看得见 ---------- */
@media(max-width:760px){
  .shell{padding:10px 10px 150px}
  .scene{height:220px}
  .speech{left:96px;top:8px;font-size:14px;max-width:calc(100% - 110px);padding:6px 10px}
  .rabbit{width:86px}
  .tasks{grid-template-columns:repeat(3,1fr);gap:6px}
  .tasks button{padding:5px 6px;gap:4px}.tasks button b{font-size:18px}.tasks button small{display:none}
  .rx{font-size:18px;gap:6px}.rx .ing b{font-size:26px}.rx .ico{width:28px;height:28px}.rx .eq{font-size:14px;border:0;padding:0;width:100%;text-align:center}
  .live .verdict{font-size:17px}.live .why{font-size:14px}
  .tools-pot .jars,.opchips{position:fixed;left:0;right:0;bottom:0;z-index:60;margin:0;
    padding:8px 8px calc(8px + env(safe-area-inset-bottom));background:#f7f2df;border-top:3px solid var(--pine);box-shadow:0 -6px 16px rgba(20,40,30,.18)}
  .tools-pot .jars{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
  .tools-pot .jars::before{content:"按住药材，拖到上面的锅里";position:absolute;top:-26px;left:50%;transform:translateX(-50%);white-space:nowrap;background:var(--pine);color:#fff8df;font-size:13px;font-weight:800;border-radius:999px;padding:2px 12px}
  .jar,.jar.pack{grid-column:auto;flex-direction:column;padding:5px 2px;gap:0;box-shadow:2px 2px 0 var(--pine)}
  .jar .ico{width:26px;height:26px}.jar b{font-size:13px}.jar small{font-size:10px}
  .jar.pack span .ico{width:18px;height:18px}
  .bundle{font-size:12px}
  .opchips{display:flex;flex-wrap:wrap;justify-content:center;gap:6px}
  .opchips::before{content:"按住运算牌，拖到上面的药方上";position:absolute;top:-26px;left:50%;transform:translateX(-50%);white-space:nowrap;background:var(--pine);color:#fff8df;font-size:13px;font-weight:800;border-radius:999px;padding:2px 12px}
  .op{font-size:17px;padding:4px 10px}
  .controls .tip{display:none}
  .mobile-actions{display:flex;gap:8px;margin-top:6px}.mobile-actions .btn{flex:1;padding:8px 6px;white-space:nowrap;font-size:15px}.mobile-actions .btn.primary{flex:1.6}
  #toolsPot>.row,#brew{display:none}
  .healed{top:auto;bottom:8px;right:8px;font-size:13px;padding:2px 10px}
}